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114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2010 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdarg.h>
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#include <ac/stdlib.h>
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#include <ac/string.h>
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#include <ac/unistd.h>
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#include "ldap_pvt_thread.h" /* Get the thread interface */
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#include "ldap_thr_debug.h" /* May redirect thread initialize/destroy calls */
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/*
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* Common LDAP thread routines
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* see thr_*.c for implementation specific routines
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* see rdwr.c for generic reader/writer lock implementation
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* see tpool.c for generic thread pool implementation
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*/
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int ldap_pvt_thread_initialize( void )
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{
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int rc;
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static int init = 0;
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ldap_pvt_thread_rmutex_t rm;
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ldap_pvt_thread_t tid;
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/* we only get one shot at this */
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if( init++ ) return -1;
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rc = ldap_int_thread_initialize();
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if( rc ) return rc;
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#ifndef LDAP_THREAD_HAVE_TPOOL
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rc = ldap_int_thread_pool_startup();
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if( rc ) return rc;
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#endif
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/* kludge to pull symbol definitions in */
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ldap_pvt_thread_rmutex_init( &rm );
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tid = ldap_pvt_thread_self();
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ldap_pvt_thread_rmutex_lock( &rm, tid );
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ldap_pvt_thread_rmutex_trylock( &rm, tid );
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ldap_pvt_thread_rmutex_unlock( &rm, tid );
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ldap_pvt_thread_rmutex_unlock( &rm, tid );
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ldap_pvt_thread_rmutex_destroy( &rm );
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return 0;
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}
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int ldap_pvt_thread_destroy( void )
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{
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#ifndef LDAP_THREAD_HAVE_TPOOL
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(void) ldap_int_thread_pool_shutdown();
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#endif
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return ldap_int_thread_destroy();
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}
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/*
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* Default implementations of some LDAP thread routines
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*/
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#define LDAP_THREAD_IMPLEMENTATION
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#include "ldap_thr_debug.h" /* May rename the symbols defined below */
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#ifndef LDAP_THREAD_HAVE_GETCONCURRENCY
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int
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ldap_pvt_thread_get_concurrency ( void )
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{
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return 1;
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}
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#endif
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#ifndef LDAP_THREAD_HAVE_SETCONCURRENCY
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int
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ldap_pvt_thread_set_concurrency ( int concurrency )
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{
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return 1;
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}
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#endif
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#ifndef LDAP_THREAD_HAVE_SLEEP
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/*
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* Here we assume we have fully preemptive threads and that sleep()
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* does the right thing.
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*/
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unsigned int
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ldap_pvt_thread_sleep(
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unsigned int interval
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)
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{
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sleep( interval );
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return 0;
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}
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#endif
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